NO760500L - - Google Patents
Info
- Publication number
- NO760500L NO760500L NO760500A NO760500A NO760500L NO 760500 L NO760500 L NO 760500L NO 760500 A NO760500 A NO 760500A NO 760500 A NO760500 A NO 760500A NO 760500 L NO760500 L NO 760500L
- Authority
- NO
- Norway
- Prior art keywords
- movable
- contact
- arc
- contacts
- pair
- Prior art date
Links
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 238000000926 separation method Methods 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 3
- 239000003990 capacitor Substances 0.000 claims description 2
- 230000007797 corrosion Effects 0.000 claims 1
- 238000005260 corrosion Methods 0.000 claims 1
- 230000003628 erosive effect Effects 0.000 claims 1
- 238000010276 construction Methods 0.000 description 4
- 229910018503 SF6 Inorganic materials 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- SFZCNBIFKDRMGX-UHFFFAOYSA-N sulfur hexafluoride Chemical compound FS(F)(F)(F)(F)F SFZCNBIFKDRMGX-UHFFFAOYSA-N 0.000 description 1
- 229960000909 sulfur hexafluoride Drugs 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/02—Details
- H01H33/04—Means for extinguishing or preventing arc between current-carrying parts
- H01H33/14—Multiple main contacts for the purpose of dividing the current through, or potential drop along, the arc
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/70—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid
- H01H33/88—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts
- H01H33/90—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts this movement being effected by or in conjunction with the contact-operating mechanism
- H01H33/91—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts this movement being effected by or in conjunction with the contact-operating mechanism the arc-extinguishing fluid being air or gas
Landscapes
- Circuit Breakers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/560,461 US4075447A (en) | 1975-03-21 | 1975-03-21 | Double-puffer-type compressed-gas circuit-interrupter constructions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NO760500L true NO760500L (enrdf_load_stackoverflow) | 1976-09-22 |
Family
ID=24237924
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO760500A NO760500L (enrdf_load_stackoverflow) | 1975-03-21 | 1976-02-16 |
Country Status (12)
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5350911A (en) * | 1976-10-20 | 1978-05-09 | Torio Kk | Device for indicating digital frequency |
| JPS6110407Y2 (enrdf_load_stackoverflow) * | 1978-01-06 | 1986-04-03 | ||
| DE2911633C2 (de) * | 1979-03-24 | 1985-07-11 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Autopneumatischer Druckgasschalter |
| JPS55139728A (en) * | 1979-04-18 | 1980-10-31 | Mitsubishi Electric Corp | Switching device |
| DE3127678A1 (de) * | 1981-07-14 | 1983-02-10 | BBC Aktiengesellschaft Brown, Boveri & Cie., 5401 Baden, Aargau | Hochspannungs-leistungsschalter |
| JPS5869414A (ja) * | 1981-10-16 | 1983-04-25 | 株式会社日立製作所 | ガス絶縁開閉装置 |
| US4486635A (en) * | 1983-07-05 | 1984-12-04 | Westinghouse Electric Corp. | High-voltage circuit breaker with improved puffer means |
| JPH07111855B2 (ja) * | 1987-07-02 | 1995-11-29 | 三菱電機株式会社 | タンク形遮断器 |
| EP0741399B1 (en) * | 1995-05-04 | 1999-01-20 | ANSALDO INDUSTRIA S.p.A. | A gas-dielectric high-tension interrupter of the arc-puffer type |
| DE29902208U1 (de) | 1999-01-28 | 2000-08-17 | Siemens AG, 80333 München | Mehrphasig gekapselte Freiluft-Hochspannungsschalteinrichtung |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2095441A (en) * | 1934-04-25 | 1937-10-12 | Charles S Hegel | Circuit breaker |
| US3214550A (en) * | 1962-05-02 | 1965-10-26 | Westinghouse Electric Corp | Circuit interrupters with crossbars captively related to piston structures |
| US3291948A (en) * | 1964-08-06 | 1966-12-13 | Westinghouse Electric Corp | Orifice structure for compressed gas-circuit interrupter |
| US3621171A (en) * | 1968-05-06 | 1971-11-16 | Hitachi Ltd | Gas blast circuit breaker with puffer piston having an electrodynamic assist in the form of axially overlapping coils |
| US3899650A (en) * | 1972-08-21 | 1975-08-12 | Hitachi Ltd | Grounded tank circuit breaker |
| JPS5624972B2 (enrdf_load_stackoverflow) * | 1973-11-05 | 1981-06-09 |
-
1975
- 1975-03-21 US US05/560,461 patent/US4075447A/en not_active Expired - Lifetime
-
1976
- 1976-01-21 ZA ZA349A patent/ZA76349B/xx unknown
- 1976-01-21 NL NL7600591A patent/NL7600591A/xx not_active Application Discontinuation
- 1976-01-23 AU AU10529/76A patent/AU504343B2/en not_active Expired
- 1976-02-16 NO NO760500A patent/NO760500L/no unknown
- 1976-02-19 CA CA246,081A patent/CA1065935A/en not_active Expired
- 1976-03-12 FR FR7607131A patent/FR2305006A1/fr active Granted
- 1976-03-18 IT IT21355/76A patent/IT1058607B/it active
- 1976-03-18 ES ES446224A patent/ES446224A1/es not_active Expired
- 1976-03-19 DE DE19762611784 patent/DE2611784A1/de not_active Withdrawn
- 1976-03-20 GB GB2745/76A patent/GB1549614A/en not_active Expired
- 1976-03-22 JP JP51030031A patent/JPS51125876A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| ZA76349B (en) | 1977-01-26 |
| US4075447A (en) | 1978-02-21 |
| AU1052976A (en) | 1977-07-28 |
| JPS51125876A (en) | 1976-11-02 |
| CA1065935A (en) | 1979-11-06 |
| ES446224A1 (es) | 1977-06-16 |
| DE2611784A1 (de) | 1976-09-30 |
| AU504343B2 (en) | 1979-10-11 |
| NL7600591A (nl) | 1976-09-23 |
| IT1058607B (it) | 1982-05-10 |
| GB1549614A (en) | 1979-08-08 |
| FR2305006A1 (fr) | 1976-10-15 |
| FR2305006B1 (enrdf_load_stackoverflow) | 1981-08-07 |
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